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ADL5945

Phase 2

Opioid Induced Constipation | Small molecule | Gastrointestinal |Merck & Company, Inc.|Last Updated: Sep 25, 2018

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment131
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01207427Evaluation of the Efficacy and Safety of ADL5945 for the Treatment of Opioid-induced Constipation in Adults Taking Opioid Therapy for Chronic Noncancer PainPHASE2 COMPLETED 131Oct 14, 2010Jun 28, 2011Sep 25, 2018 -
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Study Endpoints
Primary Endpoints
Change From Baseline in the Weekly Average of Spontaneous Bowel Movements (SBMs) During Treatment
Baseline, Weeks 1 through 4 of treatment

An SBM was defined as a bowel movement (BM) with no laxative use in the previous 24 hours. Each weekly SBM average was calculated as follows: (7 × number of SBMs) / (number of days with nonmissing data). The overall SBM rate for the 4-week double-blind treatment period was calculated as follows: (the average of the first week + the average of the second week + the average of the third week + the average of the fourth week) / 4.

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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PlaceboPLACEBO_COMPARATOREach participant received 1 placebo capsule orally twice daily (BID) during the Run-in Placebo Period (1 week), the Double-blind Treatment Period (4 weeks), and the Run-out Placebo Period (1 week).
ADL5945 0.1 mgEXPERIMENTALDuring the Run-in Placebo Period, each participant received 1 placebo capsule orally BID for 1 week. Then during the Double-blind Treatment Period, each participant received one 0.1-milligrams (mg) ADL5945 capsule orally BID for 4 weeks. Then during the Run-out Placebo Period, each participant received 1 placebo capsule orally BID for 1 week.
ADL5945 0.25 mgEXPERIMENTALDuring the Run-in Placebo Period, each participant received 1 placebo capsule orally BID for 1 week. Then during the Double-blind Treatment Period, each participant received one 0.25-mg ADL5945 capsule orally BID for 4 weeks. Then during the Run-out Placebo Period, each participant received 1 placebo capsule orally BID for 1 week.
Interventions
NameTypeDescription
PlaceboDRUG -
ADL5945 0.1 mgDRUG -
ADL5945 0.25 mgDRUG -
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo

Key Inclusion Criteria * be a man or woman aged 18 to 75 years, inclusive, at the time of screening * have a body weight ≥45 kilograms (kg) and a body mass index (BMI) ≤40 kilograms per square meter (kg/m\^2) * be taking a stable daily dose of opioids of ≥30-milligrams (mg) morphine-equivalent tota...

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